Sharp EL-9900 EL-9900C - Page 136

Chapter 8: Matrix Features 03 cumul cumul matrix name Returns the cumulative matrix. Example • Obtain the cumulative sum of mat A. cumulative sum of aij = ai1 + ai2 + ...... + aij 04 augment( augment(matrix name, matrix name) Appends the second matrix to the first matrix as new columns. The first and second matrices must have the same number of rows. Example • Create a new matrix with matrix A augmented by matrix B. 05 identity identity dimension value Returns the identity matrix with specified value of rows and columns. Example • Create the identity matrix of 3 rows × 3 columns. 06 rnd_mat( rnd_mat(number of row, number of column) Returns a random matrix with specified values of rows and columns. Example • Create a matrix of 2 rows × 3 columns with generated random values. (when TAB = 2 and FSE = "FIX" at SETUP menu) 126